package com.whq.mvc.base.designpattern.observe;

import java.util.ArrayList;
import java.util.List;

public abstract class AbstractTikToker {

    protected List<AbstractFans> fansList = new ArrayList<>();

    public abstract void addFans(AbstractFans fans);
    public abstract void removeFans(AbstractFans fans);

    public abstract void notifyFans(String msg);
}
